What is the composition of the asthenosphere?
O All the water on earth
Partially melted rock with a higher percent of Iron than the crust
All solid iron and nickel
The continental bedrock and ocean floor

Sediment layers stop lateral spreading when: they encounter a barrier they encounter an opposing current they run out of additional sedimentary material

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit

What best describes emerging scientific ideas